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backend/tests/ingest.test.ts

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+import { describe, it, expect, beforeAll, afterAll } from 'vitest';
+import request from 'supertest';
+import { setupApp, teardown, resetDb } from './setup.js';
+import { makePayload } from './fixtures.js';
+
+const TOKEN = 'Bearer dev-ingest-token-1234';
+
+let app: any;
+
+beforeAll(async () => {
+  ({ app } = await setupApp());
+}, 90000);
+afterAll(async () => {
+  await teardown();
+});
+
+describe('ingest auth/validation', () => {
+  it('401 without token', async () => {
+    const res = await request(app).post('/api/ingest').send(makePayload());
+    expect(res.status).toBe(401);
+  });
+
+  it('400 bad payload', async () => {
+    const res = await request(app)
+      .post('/api/ingest')
+      .set('Authorization', 'Bearer dev-ingest-token-1234')
+      .send({ inquiry: {} });
+    expect(res.status).toBe(400);
+  });
+});
+
+describe('ingest basic insert', () => {
+  it('accepts valid payload, inserts 2 messages', async () => {
+    await resetDb();
+    const res = await request(app).post('/api/ingest')
+      .set('Authorization', 'Bearer dev-ingest-token-1234').send(makePayload());
+    expect(res.status).toBe(200);
+    expect(res.body.inserted).toBe(2);
+    expect(res.body.earlyReturn).toBe(false);
+  });
+});
+
+describe('ingest idempotency + increment', () => {
+  it('push N → push N again early-returns', async () => {
+    await resetDb();
+    const p = makePayload();
+    const r1 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(p);
+    expect(r1.status).toBe(200);
+    expect(r1.body.inserted).toBe(2);
+    expect(r1.body.earlyReturn).toBe(false);
+    const r2 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(p);
+    expect(r2.body.earlyReturn).toBe(true);
+  });
+
+  it('push N → push N+1 → push N+1 again early-returns (messagesCount=total regression)', async () => {
+    await resetDb();
+    const base = makePayload();
+    await request(app).post('/api/ingest').set('Authorization', TOKEN).send(base);
+    const withOneMore = makePayload({
+      messages: [
+        ...base.messages,
+        { messageId: 'm3', sendTime: '2026-07-13T02:13:00Z', sender: 'x', direction: 'incoming', content: 'c3', translation: '' },
+      ],
+    });
+    const r3 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(withOneMore);
+    expect(r3.body.inserted).toBe(3);          // 总量 3,不是 delta 1
+    expect(r3.body.earlyReturn).toBe(false);
+    // 再推同样 3 条 → 早返回(若 messagesCount 退化成 delta,这里 earlyReturn 会是 false)
+    const r4 = await request(app).post('/api/ingest').set('Authorization', TOKEN).send(withOneMore);
+    expect(r4.body.earlyReturn).toBe(true);
+    expect(r4.body.inserted).toBe(3);
+  });
+});